#0D182A#0D182A

#0D182A is a very dark, muted blue. Relative luminance 0.009; OKLCH L 20.9% C 0.039 H 259.9°. Best body text is #FFFFFF at 17.78:1 contrast (WCAG AA passes).

Color values

HEX	#0D182A
RGB	rgb(13, 24, 42)
HSL	hsl(217, 53%, 11%)
HSV	hsv(217, 69%, 16%)
CMYK	cmyk(69%, 42.9%, 0%, 83.5%)
CIE-LAB	lab(8.18, 1.96, -13.73)
CIE-LCH	lch(8.18, 13.87, 278.11°)
OKLab	oklab(20.9% -0.0069 -0.0388)
OKLCH	oklch(20.9% 0.039 259.9)
XYZ	xyz(0.9104, 0.9059, 2.3169)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D182A #2A1F0D

analogous

#0D262A #0D182A #100D2A

triadic

#0D182A #2A0D18 #182A0D

tetradic

#0D182A #2A0D26 #2A1F0D #0D2A10

square

#0D182A #2A0D26 #2A1F0D #0D2A10

split-complementary

#0D182A #2A100D #262A0D

monochromatic

#070D17 #070D17 #0D182A #1B3359 #2A4D87

Accessibility & contrast

On white

17.78

#0D182A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0D182A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D182A

17.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D182A	#FFFFFF	#000000	##FFFFFF
##0D182A	1.00	17.78	1.18	17.78
#FFFFFF	17.78	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11192B

Deuteranopia (green-blind)

#0D172A

Tritanopia (blue-blind)

#011C1F

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0d182a;
/* rgb */ color: rgb(13, 24, 42);
/* oklch */ color: oklch(20.9% 0.039 259.9);

Tailwind

colors: {
  custom: {
    50: '#4e5463',
    500: '#0d182a',
    950: '#000000',
  },
}

SCSS

$custom: #0d182a;
$custom-light: #4e5463;
$custom-dark: #000000;

JSON

{
  "hex": "#0d182a",
  "rgb": {
    "r": 13,
    "g": 24,
    "b": 42
  },
  "hsl": {
    "h": 217.241,
    "s": 52.727,
    "l": 10.784
  },
  "oklch": {
    "l": 0.20901,
    "c": 0.03939,
    "h": 259.9
  },
  "luminance": 0.00906
}

Semantic roles & 50–950 ramp

primary

#0D182A

secondary

#64502E

accent

#A54CDC

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#020205

muted

#787879

Preview Lab

Preview with #0D182A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →